利用commons-fileupload上传组件上传文件（二）

FileUpload.java  上传处理页面(Servlet) 

 

java 代码

package it;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.util.regex.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.disk.*;
import org.apache.commons.fileupload.servlet.*;


public class FileUpload extends HttpServlet {
 private String uploadPath = "d:\\addnetFile\\";
 private File tempPath = new File("c:\\temp\\");

 public void destroy() {
  super.destroy(); // Just puts "destroy" string in log
  // Put your code here
 }

 /**
  * The doGet method of the servlet. <br>
  *
  * This method is called when a form has its tag value method equals to get.
  *
  * @param request the request send by the client to the server
  * @param response the response send by the server to the client
  * @throws ServletException if an error occurred
  * @throws IOException if an error occurred
  */
 public void doGet(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  response.setContentType("text/html;charset=gb2312");
  PrintWriter out = response.getWriter();

  DiskFileItemFactory factory = new DiskFileItemFactory();

  factory.setSizeThreshold(1048576);
  factory.setRepository(tempPath);

  ServletFileUpload upload = new ServletFileUpload(factory);

  upload.setSizeMax(1073741824);

  List fileitems = null;


  try{
   fileitems =upload.parseRequest(request);
   Iterator iter = fileitems.iterator();


   String regExp = ".+\\\\(.+)";
   String[] errorType = {".exe",".com",".cgi",".asp"};

   Pattern p = Pattern.compile(regExp);

   while(iter.hasNext()){
    FileItem item = (FileItem)iter.next();

    if(!item.isFormField()){
     String name = item.getName();
     long size = item.getSize();


     if((name == null||"".equals(name))&&size == 0)
      continue;
     Matcher m = p.matcher(name);
     boolean result = m.find();


     if(result){
      for(int temp = 0;temp<errorType.length;temp++){
       if(m.group(1).endsWith(errorType[temp])){
        throw new IOException(name +"wrong type");
       }
      }

      try{
       item.write(new File(uploadPath,m.group(1)));
       out.println(name+"&nbsp&nbsp&nbsp&nbsp"+size+"<br>");
      }catch(Exception e){
       out.println("333"+e);
      }
     }
     else{
      throw new IOException("fail to upload");
     }
    }
   }
  }catch(IOException e1){
   out.println("222"+e1);
  }catch(FileUploadException e2){
   out.println("111"+e2);
  }
 }

 /**
  * The doPost method of the servlet. <br>
  *
  * This method is called when a form has its tag value method equals to post.
  *
  * @param request the request send by the client to the server
  * @param response the response send by the server to the client
  * @throws ServletException if an error occurred
  * @throws IOException if an error occurred
  */
 public void doPost(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  doGet(request,response);
 }

 /**
  * Initialization of the servlet. <br>
  *
  * @throws ServletException if an error occure
  */
 public void init() throws ServletException {
  if(!new File(uploadPath).isDirectory()){
   new File(uploadPath).mkdir();
  }

  if(!tempPath.isDirectory()){
   tempPath.mkdir();
  }
 }

}

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Tomcat5.5 连接池设置 | 利用commons-fileupload上传组件上传文件（ ...

• 2007-11-20 10:45
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